David Berkowitz is Director of Emerging Media & Client Strategy for 360i a leading independent digital marketing agency that has been named the "2007 Search Agency of the Year" by OMMA magazine and "One of the Hottest Independent Digital Agencies Around" by Advertising Age. At 360i, David helps leading brands in media & entertainment, retail, and other verticals leverage marketing opportunities at the nexus of search engine marketing and social media. Additionally, every Tuesday, he pens a column for MediaPost and posts extensively on his own blog MarketersStudio.com, an Ad Age Power 150 media & marketing blog.